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1. How we can install RHEL4 using Wmware
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i had an error earlier today when i was carrying out health check on my database. ora -20000 and i tried to rebuild online, but it didnt work, and it came up with a message about duplicity of the index file and i searched to locate if that was true, but i tried to solve the problem by searching for multiple index with the same name, but there wasnt.
what can i do please-
Hi;
Did you try to drop index and recreate index again?What is exact error message?
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Errors in file /oracle/admin/pameEric/bdump/pameeric_j000_5867.trc:
ORA-20000: index “PAMEMNC”.”IMPORTNWBA7_UK0″ or partition of such index is in unusable state
Tue Jan 3 22:40:36 2012
Thread 1 advanced to log sequence 15793 (LGWR switch)
Current log# 1 seq# 15793 mem# 0: /hawk_pamme_log/pameEric/redo01a.pameEric
Current log# 1 seq# 15793 mem# 1: /hawk_pamme_log/pameEric/redo01b.pameEricTue Jan 3 22:01:48 2012
Errors in file /oracle/admin/pameHuaw/bdump/pamehuaw_j000_5869.trc:
ORA-20000: index “PAMEMNC”.”IMPORTNWBA1_UK0″ or partition of such index is in unusable stateand i tried rebuilding the index online by
SQL> ALTER INDEX pamemnc.IMPORTNWBA1_UK0 rebuild online;
ALTER INDEX pamemnc.IMPORTNWBA1_UK0 rebuild online
*
but returned the errorERROR at line 1:
ORA-01452: cannot CREATE UNIQUE INDEX; duplicate keys foundwhat should i do now please
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Hi;
Please see:
ORA-01452: Cannot Create Unique Index; Duplicate Keys Found [ID 332494.1]OERR: ORA 1452 “cannot CREATE UNIQUE INDEX; duplicate keys found” [ID 18855.1]
Also see:
Script: Deleting Duplicate Rows from a Table [ID 31413.1]
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– Script find duplicate rows
select
–Enter name(s) of column(s) which should be unique
&&c
from
— Enter name of table with duplicate rows
&&t
where rowid not in (select min(rowid) from &&t group by &&c)
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